ALEXANDRIA, Va., June 19 -- United States Patent no. 12,336,026, issued on June 17, was assigned to InterDigital Patent Holdings Inc. (Wilmington, Del.).

"Multi rat D2D, extending D2D to include 3GPP and other non-3GPP rat / devices" was invented by Debashish Purkayastha (Collegeville, Pa.), Michel Roy (Candiac, Canada), Robert Gazda (Spring, Panama), Saad Ahmad (Spring, Panama) and Ulises Olvera-Hernandez (Saint-Lazare, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for setting up a multiple radio access technology (multi-RAT) device-to-device (D2D) communication is disclosed. An application function (AF) in a wireless transmit/receive unit (WTRU) may identify a group of multiple radio acces...